Welcome to Wethje, your specialist for carbon composites

For over 30 years now, components made of carbon composite materials by Wethje Carbon Composites have been used in international motor sports, premium sports cars, series-production vehicles as well as in the aerospace industry and in industrial applications. The evolution of the company has been shaped by various milestones and leaders as well as by the integration in solid local and organisational structures. The symbol for our current growth and the basis for future expansion is the extension of our plant in Pleinting.

History of Wethje GmbH


More than 30 years of high-quality lightweight construction


Certification according to DIN EN ISO 14001 and DIN EN ISO 50001

Juni 2016

Completion of the SMC system

März 2016

Mitsubishi increases its holding in Wethje to 82%

November 2015

Aerospace certification EN 9100

Juli 2015

Company name is changed from “Wethje GmbH Kunststofftechnik” to “Wethje Carbon Composites GmbH”


Mitsubishi Rayon Co. Ltd. takes over 51% of the shares in the Wethje Group on 01/10/2014


Completion and commissioning of the plant expansion in Pleinting. Start of the production of RTM parts using the patented RTM resin core technology


First industrial use of RTM technology


Further large-scale serial orders for the automotive industry


Start of carbon composite series production for KTM X-Bow at Pleinting plant


Commissioning of the Pleinting plant; 50 new jobs are created


Wethje Entwicklungs GmbH Pleinting / Vilshofen is established

1987 – 2001

Gradual expansion of the company premises and production building in Hengersberg


The entire company moves to Hengersberg


The branch in Hengersberg / Lower Bavaria is founded; 40 new jobs are created


The brothers Reinhard and Reimer Wethje found the company in Grafing near Munich with 10 employees